The steamed and mashed taro paste is called "芋泥 yù ní" (yù ní) in Chinese. In comparison, this shade of Shaitai jade is called "芋泥波波 bō" (yù ní bō bō). Shaitai jade, also known as beauty jade (also written as 佘太玉). It is said to be the oldest natural stone in China. Size: Inner diameter: 54.5mm Width: 6.4mm Length: 13.7mm Origin: Inner Mongolia, China The main component of Shaitai jade is silicon dioxide, SiO2 quartz rock jade. The density is 2.659/cm3 and the hardness is 7, falling within the category of jadeite. It is also often used for carving. Excavated since 2007, it has properties similar to jade, and was officially named "佘太翠 (shē, tài, cuì)" after the local name "佘太镇" (Shaitai Town), with "翠" (cuì, meaning jade) added at the end. It shows more significant aging changes than jade, and you can enjoy a greater sense of moisture and luster. Compared to jade, it has a richer color palette, is easier to bring out the luster, and is relatively more affordable. It contains various trace elements and is said to balance the mind and body, and provide a calming effect. It becomes more lustrous with daily handling. ☆Photographed under indoor lighting, and no photo processing filters have been used. All accessories handled here are made by carving natural stones from raw stones. There is no dyeing, composite material, heat treatment, or oil impregnation treatment. Due to the nature of natural stones, there may be fine scratches, abrasions, cloudiness, and minor cracks that occur over time. Please make your judgment based on the photos. Selected one by one by family members and obtained overseas. I am selling them because I don't have a chance to use them. There may be some errors due to amateur measurements. Please understand and purchase. Each item is one-of-a-kind, so refunds, returns, and exchanges are not possible. When shipping, it will be sent with a box, but it is only a box to prevent breakage, and the box itself cannot be chosen. Please note that it is not a product box.